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500 Pack #10 Single Left Window SELF Seal Security Envelopes, Designed for QuickBooks Invoices & Business Statements, Computer Printed Checks Peel and Seal Flap, Size 4-1/8 x 9-1/2 Inches, 24 LB

4.5 (8) Write Review
Free shipping on orders over $29.99

$28.99

$ 14 .99 $14.99

In Stock

About this item

  • #10 SINGLE WINDOW SECURITY ENVELOPES: Our #10 Security Envelopes are designed with SELF-SEAL strip—no moisture needed and a premium security tint, to protect sensitive data and information, suitable for secure business and legal mailing, invoices, or other confidential documents.
  • EASY READ SINGLE WINDOW: Thin security of single window envelopes makes the contents easily to read, create a professional looking, suitable for displaying recipient addresses or business information on the single window.
  • PREMIUM SECURITY TINTED PATTERN: #10 Security envelopes are designed with a premium security printed design to provide secured privacy for your legal or business mail, offer the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy.
  • ULTRA STRONG EASY SEAL: #10 envelopes are manufactured with ultra SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing larger documents without splitting, is secured to stay sealed with no need for tape or glue sticks.
  • LONG LASTING SUPPLY: Each box has 500 envelopes which can meet a long lasting supply, ideal for mass mailing of everyday business tasks! Our envelopes with smooth thick paper , it’s fully compatible with most ink jet and laser printers, can print quick and easily without worry about paper jams . Click the Orange Button to order now.


Product Description

HERKKA #10 Single Left Window SELF Seal Security Envelopes 500pack

envelopes

Great for Secure Everyday Home and Business Mailing

envelopes

Designed For Security and Convenience

envelopes

QUICK-SEAL CLOSURE

envelopes

SECURITY TINTED PATTERN

envelopes

STRONG SECURITY

envelopes

PRINTER COMPATIBLE

envelopes

Customer
September 5, 2025
Worked perfectly with no issue. A better quality than I expected at this price point.
Justine P.
August 20, 2025
Great product, I have ordered more than once.
Mark H.
July 20, 2025
It's an envelope people. It does it's job, envelops the contents well. No frills here but well made and does it's job, and for that reason I will buy again.
katcom
July 14, 2025
These worked great in our laser printer.
William Willett
June 24, 2025
Great value
Deborah A Raught
May 28, 2025
they worked as expected. only one did not seal
bob murrin
April 2, 2025
good envelopes
Bernsie 90
January 27, 2025
Purchased for mailing contribution reports - window envelope. Size of window was exactly what I need.
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